sigmoid flexure


noun

Zoology. an S-shaped curve in a body part.
Also called sigmoid colon. an S-shaped curve of the large intestine between the descending colon and the rectum.

Nearby words

  1. sigmation,
  2. sigmatism,
  3. sigmoid,
  4. sigmoid artery,
  5. sigmoid colon,
  6. sigmoid sinus,
  7. sigmoid vein,
  8. sigmoidectomy,
  9. sigmoiditis,
  10. sigmoido-

Origin of sigmoid flexure

First recorded in 1780–90

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019


British Dictionary definitions for sigmoid flexure

sigmoid flexure

noun

zoology an S-shaped curve, as in the necks of certain birds
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Medicine definitions for sigmoid flexure

sigmoid flexure

n.

The S-shaped section of the colon between the pelvic brim and the third sacral segment, continuous with the rectum.sigmoid colon

The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.